Demethylation of Wheat Straw Alkali Lignin for Application in Phenol Formaldehyde Adhesives.

Polymers (Basel) · 2016 · PMC6432182 · PMID 30979304

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a decreasing trendno p-value reported

The results showed that with an increase in the molar ratio of ICH versus lignin, the relative values of the methoxyl group at 1459 cm −1 exhibited a decreasing trend from 0.82 to 0.17 at a molar ratio of 12:1, and then leveled off.

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